Roshan Kumar
Security Engineer at CRED
Kolkata, West Bengal, India
Summary
🤩
Rockstar🎓
Top SchoolRoshan Kumar is a Security Engineer with six years of hands-on experience combining vulnerability-focused engineering and developer-driven automation. Currently at CRED and active in the NixOS community, he blends product security work with deep open-source involvement—recently contributing to Nixpkgs and improving firmware upgrade UX as a GSoC contributor for OpenWISP. He has led engineering teams and startups, mentored multiple open-source programs, and shipped features for embedded device management like retry logic, mass upgrades and REST APIs. Comfortable across tooling, firmware, and cloud-facing security, he brings a pragmatic developer mindset to hardening distributed systems. Based in Kolkata, he pairs formal CS training with a track record of turning community contributions into production-ready solutions.
6 years of coding experience
3 years of employment as a software developer
10th, 446 / 500, 10th, 446 / 500 at Jesus and Mary academyBachelor of Technology - BTech, Computer Science, Bachelor of Technology - BTech, Computer Science at Heritage Institute of Technology12th, 450 / 500, 12th, 450 / 500 at Delhi model public school
English, Hindi
Github Skills (200)
appwrite10
python10
deep-learning10
openwisp10
django-widget10
markdown10
javascript10
linux10
wpa10
dsa-algorithm10
hotspot10
csv10
tensorflow10
freeradius10
automations10
Programming languages (16)
Github contributions (5)
Clueless-Community/Spectrum-UI
Oct 2022 - Jan 2023
Spectrum UI is a user-friendly Flutter UI library that offers a variety of beautifully designed widgets and components that are easy to use and can be integrated into your Flutter projects seamlessly.
Contributions:3 reviews, 35 commits, 52 PRs in 3 months
dartflutter-uiuikitflutterui-components
Roshaen/Algorithms-cpp
Nov 2020 - Dec 2021
Different algorithms written in C++
Contributions:1 review, 15 commits, 3 PRs in 1 year
cppalgorithms-cpp
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